Home / 73,257.06-109,899.87-31,136.66

Finding the Fourth Proportional to 73,257.06, 109,899.87 and 31,136.66

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Solution

The fourth proportional to 73,257.06, 109,899.87 and 31,136.66 is: 46,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,257.06 : 109,899.87 = 31,136.66 : x
  2. Step 2: Convert to fraction form
    73,257.06/109,899.87 = 31,136.66/x
  3. Step 3: Cross multiply
    73,257.06x = 109,899.87 × 31,136.66
  4. Step 4: Simplify right side
    73,257.06x = 3,421,914,886.23
  5. Step 5: Solve for x
    x = 3,421,914,886.23/73,257.06
  6. Step 6: Final answer
    x = 46,711.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.